Home / 8,263,082.78-12,393,636.78-2,198,258

Finding the Fourth Proportional to 8,263,082.78, 12,393,636.78 and 2,198,258

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Solution

The fourth proportional to 8,263,082.78, 12,393,636.78 and 2,198,258 is: 3,297,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,082.78 : 12,393,636.78 = 2,198,258 : x
  2. Step 2: Convert to fraction form
    8,263,082.78/12,393,636.78 = 2,198,258/x
  3. Step 3: Cross multiply
    8,263,082.78x = 12,393,636.78 × 2,198,258
  4. Step 4: Simplify right side
    8,263,082.78x = 27,244,411,200,729.24
  5. Step 5: Solve for x
    x = 27,244,411,200,729.24/8,263,082.78
  6. Step 6: Final answer
    x = 3,297,124.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.